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Sigma-Aldrich

Lignosulfonic acid calcium salt

average Mw ~18,000, average Mn ~2,500

Synonym(s):

Calcium ligninsulfonate, Lignin calcium sulfonate

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About This Item

CAS Number:
8061-52-7
MDL number:
MFCD00163202
UNSPSC Code:
12162002
NACRES:
NA.23

mol wt

average Mn ~2,500
average Mw ~18,000

Quality Level

100

composition

Ca, 5 wt. %

impurities

16 wt. % reducing sugars
5 wt. %

solubility

H2O: soluble

InChI

1S/C20H26O10S2.Ca/c1-28-18-7-3-6-15(20(18)21)12-16(13-32(25,26)27)30-17-9-8-14(11-19(17)29-2)5-4-10-31(22,23)24;/h3,6-9,11,16,21H,4-5,10,12-13H2,1-2H3,(H,22,23,24)(H,25,26,27);/q;+2/p-2

InChI key

RYAGRZNBULDMBW-UHFFFAOYSA-L

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Application

Granulating agent for limestone and ores, compaction aid for coal and metal wastes, and dispersing agent for gypsum and clay slurries.

Features and Benefits

Compatible with anionic and nonionic dispersants and wetting agents.

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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SAFC

1.37028

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Sangobtip Pongstabodee et al.
Waste management (New York, N.Y.), 28(3), 475-483 (2007-05-12)
The aim of this research was to separate the different plastics of a mixed post-consumer plastic waste by the combination of a three-stage sink-float method and selective flotation. By using the three-stage sink-float method, six mixed-plastic wastes, belonging to the
Contact allergy to calcium lignosulfonate.
R Andersson et al.
Contact dermatitis, 6(5), 354-355 (1980-08-01)
Shu-Juan Zhang et al.
Chemosphere, 57(9), 1181-1187 (2004-10-27)
Gamma-ray irradiation was proven to be a promising means for the removal of calcium lignosulfonate (CaLS). At a dose rate of 55Gy min(-1), over 90% of CaLS was mineralized to CO(2), H(2)O and sulfates within 3-d irradiation. The degradation of
Weixing Wang et al.
Chemical communications (Cambridge, England), 48(95), 11638-11640 (2012-10-18)
Lignosulfonates, which are byproducts of the pulp and paper industry, can be used as promoters for the formation of methane hydrates with a high capacity up to 170 v/v and a high formation rate.
H R Mansfield et al.
Journal of dairy science, 77(4), 1070-1083 (1994-04-01)
Four Holstein cows were used in a 4 x 4 Latin square design to investigate the effects of soybean hulls and lignosulfonate-treated soybean meal on ruminal fermentation and nutrient passage to the duodenum. Diets contained 32% corn silage, 19.8% alfalfa-grass
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